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Electrical
Verify the unit nameplate agrees with power supply. Connect power and control wiring to the unit
as shown in Figure 27 and Figure 28, and in the unit specific wiring diagram, which shows factory
and field wiring and is attached to the inside of the door of the controls compartment.
Table 6 - Nameplate Voltage Markings & Tolerances
Hz
Nameplate
Voltage
Nominal
System
Voltage
Operating Voltage Range
1
Acceptable Performance
Range
2
Min
Max
Min
Max
60
115
120
104
127
108
126
208/230
208/240
187
254
187
252
208
208
187
228
187
228
230
240
208
254
216
252
265
277
240
293
249
291
460
480
416
508
432
504
575
600
520
635
540
630
50
230
230
198
254
208
254
400
400
344
440
360
440
Notes:
1.
Operating voltage is the min and max voltage for which the unit can function. Never
operate outside of this min and max voltage.
2.
The Acceptable Performance Range is the min and max voltage for which the unit
performance is designed and rated to give acceptable performance.
Route power and control wiring, separately,
through the utility entry in the base of the
unit. Do not run power and signal wires in the
same conduit.
Route power and control wiring, separately,
through the utility entry in the base of the
unit. Do not run power and control signal
wires in the same conduit. The utility entry
on 9-25 and 30 ton units is located in the unit
base in the front right hand corner of the unit
(compressor compartment). The utility entry
on 26 and 31-70 ton units is located in the unit
base in the front left hand corner in the unit
(controls compartment). The utility entry on
55, 65 and 75-140 ton units is located in the
center front of the unit. See unit drawing for
specific location.
Electric
shock
hazard.
Before
attempting to perform any installation,
service, or maintenance, shut off all
electrical power to the unit at the
disconnect switches. Unit may have
multiple power supplies. Failure to
disconnect power could result in
dangerous operation, serious injury,
death, or property damage.
WARNING
Installing Contractor is responsible for
proper sealing of the electrical and
gas entries into the unit Failure to seal
the entries may result in damage to
the unit and property.
CAUTION
Summary of Contents for RN Series
Page 2: ......
Page 32: ...32 Figure 5 RN Series 6 8 and 10 ton Unit Isolator Locations ...
Page 33: ...33 Figure 6 RN Series 9 and 11 15 ton Unit Isolator Locations ...
Page 34: ...34 Figure 7 RN Series 16 25 and 30 ton Unit Isolator Locations ...
Page 35: ...35 Figure 8 RN Series 26 31 50 60 and 70 ton Unit Isolator Locations ...
Page 36: ...36 Figure 9 Steel Mounting ...
Page 102: ...102 Figure 56 Example 6 50 60 70 ton through the Base Gas Piping ...
Page 105: ...105 Gas Heater Operating Instructions Figure 58 Gas Heater Instructions ...
Page 129: ...Maintenance Log E Coated Coil ...